1003004002 has 32 divisors (see below), whose sum is σ = 2020040064. Its totient is φ = 360720000.

The previous prime is 1003003999. The next prime is 1003004059. The reversal of 1003004002 is 2004003001.

It is a self number, because there is not a number n which added to its sum of digits gives 1003004002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248499 + ... + 252502.

It is an arithmetic number, because the mean of its divisors is an integer number (63126252).

Almost surely, 2^1003004002 is an apocalyptic number.

1003004002 is an abundant number, since it is smaller than the sum of its proper divisors (1017036062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003004002 is a wasteful number, since it uses less digits than its factorization.

1003004002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501034.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1003004002 is about 31670.2384266364. The cubic root of 1003004002 is about 1001.0003330002. Note that the first 3 decimals are identical.

Adding to 1003004002 its reverse (2004003001), we get a palindrome (3007007003).

The spelling of 1003004002 in words is "one billion, three million, four thousand, two".